Fluid-pump



. B. SKIDMOREJR.

FLUID PUMP.

APPLICATION FILED JAN. 12, 1920- 1,390,391 PatentedSept. 13, 1921.

BENJAMIN SKIIDMORE, 33,-, O1 CHICAGO, ILLINOIS. v

- morn-rout.

Specification of Lettersl'atent. Patented Sept, 13, 1921.

Application flied January 12, 1920. Serial No. 350,982.

To all whom it may concern:

Be it known that I, BENJAMIN SKIDMORE, Jr., a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Fluid-Pumps, of which thefollowing is a specification.

This invention relates to improvements in fluid pumps and one of the objects of the same is to provide an improved pump of this. character embodying a rotor having blades so constructed and arran ed that they will enter the fluid without s ock and will operate to displace the fluid in such a manner that little centrifugal force or turbine action will be imparted to the fluid, the fluid while confined within the area between the blades being maintained in as quiescent a condition as possible, with the result that the blades and the fluid confined therebetween will be relatively displaced, in that the blades will move away from the fluid confined therebetween, with the result that the fluid will be delivered at once under pressure if confined and practically without velocity.

To the attainment of these ends and the accomplishment of other new and useful objects as will appear, the invention consists in the features of novelty in substantially the construction, combination and arrangement of the several parts hereinafter more fully described and claimed and shown in the accompanying drawing illustrating this invention, and in which:

Figure 1 is a vertical sectional view as taken on line 1-1, Fig. 2.

Fig. 2 is a vertical sectional view as taken on line 2-2, Fig. 1.

Referring more particularly to the drawing the numeral 10 designates a casing of any suitable configuration and is provided with a fluid inlet 11 and a fluid discharge outlet 12.

Passing through the casing is a 'shaft13 journaled in suitable bearings 14 provided with the usual stufling boxes 15. l

The shaft preferably. extends beyond the casing and is journaled in additional bearings 16, and has connected with one end a clutch element 17 by means of which the shaft may be coupled with any suitable source or power.

Arranged within the casing 10 and se-' cured to the shaft 13 for rotation therewith, is arotor 18, which in the present form of the invention is provided with two blades 19-20, the end portions 21-22; and 23-24 are arranged substantially concentric with the axis of rotation 13 of the rotor, while the respective adjacent parts 21-22; and 23-24 are substantially parallel with relation to each other.

Therotor is given a high speed of rotation and as the fluid-enters the casing 10 through the opening 11 it will be delivered to the rotor axially thereof and will flow away from the axis of the rotor radially and into the spaces formed by the respective portions 21-22; 23-24. As the rotor is operated these portions will confine a art of the fluid therein, and the fluid in t ese portions will remain in a substantially quiescent condition, and as the rotor operates the respective p ortions 21-22; 23-24 of the blades, will withdraw or travel away from the fluid leaving the fluid practically at rest.

As the fluid leaves the spaces between the respective portions 21-22; 23-24 of the rotor, another supply of fluid enters the space 25 to take the place of the fluid removed andthis operation will continue as long as the rotor is operated. It will thus be seen that with this improved construction of pump no centrifugal or turbine action will be imparted to the fluid during the time it is confined between rotor blades and as the blades, or passages therebetween, advance into the fluid and are withdrawn therefrom, the fluid will be immediately delivered into the casing from the rotor under pressure.

Furthermore with this improved construction the blades will enter the liquid and pass through it without shock so that the power heretofore employed in pumps to impart centrifugal action to the fluid will be utilized as a means for delivering the fluid or li uid from the rotor under pressure at once without kineticforce.

If desired means may be employed, to impart to the fluid as it is supplied to the rotor a slight movement in a direction opposite circles cooperating to form flui rotor. These vanes are stationary and are so arranged that as the fluid comes into contact therewith a slight movement Wlll be given to the fluid in opposition to the direction of rotation of the rotor.

Obviously these vanes 26 may be dlspensed with without impairing the efliciency of the apparatus to any great extent.

The casing 10 is preferably provided with a volute shaped chamber 27 in which the rotor operates and if desired one or more partitions 28 may be provided in this volute passage.

While the preferred form of the inventlon has been herein shown and described it is to be understood that various changes may be made in the detailsof construction and in the combination and arrangement of the several parts, within the scope of the claims, without departing from the spirit of thls 1nvention.

What is claimed as new is 1. A pump embodying a rotor having a high speed of rotation, said rotor embodying a plurality of blades, arranged about but spaced from the axis of rotation of the rotor, said blade being spaced and cooperating to form liquid passa es therebetween, the portion of proximate lades adjacent the outlets of the passages being in substantially parallel circles and concentric with the axis of rotation of the rotor, whereby the liquid between the blades will be maintained in a substantially quiescent condition and substantially no centrifugal or turbine action will be imparted to the liquid between the blades as the blades and the liquid therebetween are displaced relatively one with relation to the other. q

2. A fluid pump embodying a rotor having a high speed of rotation, said rotor embodying a plurality of blades arranged spirally about its'axis of rotation, said blades havlng portions in substantially parallel circles cooperating to form fluid passages therebetween, the said portions being concentric with the axis of rotation of the rotor whereby the fluid in said passages will be maintained substantially quiescent and the said portions of the blades will operate to draw away from the fluid and whereby substantially no centrifugal or turbine action will be imparted to the fluid and the fluid will be displaced radially with respect to the axis of the rotor.

3. A fluid pump embodying a. rotor having a high speed of rotation, said rotor embodying a plurality of blades arranged spirally about its axis of rotation, said blades having portions in substantial] parallel passages therebetween, the said portions being concentric with the axis of rotation of the rotor whereb the fluid in said passages will be maintained substantially quiescent and the said portions of the blades will operate to draw away from the fluid and whereby substantially no centrifugal or turbine action will be imparted to the fluid and the fluid will be displaced radially with respect to the axis of the rotor, and means'whereby the fluid may be introduced axially to the said rotor.

4. A fluid pump embodying a rotor having a high speed of rotation, said rotor embodying a plurality of blades arranged spirally about its axis of rotation, said blades vhavmg portions in substantially parallel circles cooperating to form fluid passages therebetween, the said portions being concentric with the axis of rotation of the rotor whereby the fluid in said passages will be maintained substantially quiescent and the said portions of the blades will operate to draw away from the fluid and whereby substantiall no centrifugal or turbine action will be mparted tothe fluid and the fluid will be displaced radially with respect to the axis of the rotor, and a volute chamber in which the said rotor operates, said chamber having an inlet opening and an outlet opening for the fluid.

5. A fluid pump embodying a rotor hav-v ing a high speed of rotation, said rotor embodying a plurality of blades arranged spirally about its axis of rotation, said blades having portions in substantially parallel circles cooperating to form fluid passages therebetween, the said portions belng concentric with the axis of rotation of the rotor whereb the fluid in said passages will be maintained substantially quiescent and the said portions of the blades will operate to draw away from the fluid and whereby substantially vno centrifugal or turbine action- .rotor will operate upon the fluid to displace the latter radially with respect to the rotor and in a manner to impart substantially no centrifugal force or turbine action to the fluid as the fluid and rotor are dis laced rela- 7. A pump embodying a rotor having ahigh speed of rotation, said rotor embodying a plurality of blades, arranged about but spaced from the axis of rotation of the rotor, said blades being spaced and cooperating to form liquid passages therebetween, the portion of proximate blades adjacent the outlets ofthe passages being in substantially parallel circles and concentric with the axis of rotation of the rotor, whereby the liquid between the blades will be maintained in a substantially quiescent condition and substantially no centrifugal or turbine action will be imparted to the liquid between the blades as the blades and the liquid therebetween are displaced relatively one with relation to the other, and means for imparting to the fluid a movement in a direc tion opposite to the direction of rotation of the blades.

8. A pump embodying a rotor having a high speed of rotation, said rotor embodying a plurality of blades, arranged about but spaced from the axis of rotation of the rotor, said blades being spaced and cooperating to between the blades will be maintained in a substantially quiescent condition and substantially no centrifugal or turbine action will be imparted to the liquid between the blades as the blades and the liquid therebetween are displaced relatively one with relation tothe other, and means for imparting to the fluid a movement opposed to the direction of rotation of the said blades and as the blades and fluid are brought into contact.

In testimony whereof I have signed my name to this specification, on this 5th day of January, A. D. 1920.

. BENJAMIN SKIDMORE, JB. 

